Question

. Two vessels of the same volume contain the same gas
at same temperature. If the pressure in the vessels be in
the ratio of 1: 2, then
A) the ratio of the average kinetic energy is 1 : 2
B) the ratio of the root mean square velocity is 1 : 1
C) the ratio of the average velocity is 1 : 2
D) the ratio of number of molecules is 1 : 2​

Answer 1

D) the ratio of number of molecules is 1 : 2​